639128

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 1395360

約数和(自身を除く): 756232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 113, 202, 226, 404, 452, 707, 791, 808, 904, 1414, 1582, 2828, 3164, 5656, 6328, 11413, 22826, 45652, 79891, 91304, 159782, 319564, 639128]

約数ペア:

[(1, 639128), (2, 319564), (4, 159782), (7, 91304), (8, 79891), (14, 45652), (28, 22826), (56, 11413), (101, 6328), (113, 5656), (202, 3164), (226, 2828), (404, 1582), (452, 1414), (707, 904), (791, 808)]